Fan enclosure with spiral grilles



FIG. 1 is a front perspective view taken from the right top front corner of the fan enclosure with spiral grilles showing our new design;

FIG. 2 is a rear perspective view of fan enclosure with spiral grilles;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a left side view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom view thereof.

The broken lines in the drawings depict environmental subject matter only and form no part of the claimed design. 

CLAIM I claim the ornamental design for a the fan enclosure with spiral grilles, as shown and described. 